import javax.swing.*;
import java.util.Scanner;

/**
*Created with IntelliJ IDEA.
*Description:
*User:何人亮
*Date:2024-05-16
*13:59
*/public class Main {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        while (scanner.hasNextInt()){
            int x=scanner.nextInt();
            int y= scanner.nextInt();
            int z= scanner.nextInt();
            Sub sub=new Sub(x,y,z);
            System.out.println(sub.calculate());
        }
    }
}
class Base{
    private  int x;
    private int y;

    public Base(int x, int y) {
        this.x = x;
        this.y = y;
    }
    public int getX(){
        return x;
    }
    public int getY(){
        return y;
    }
}

class Sub extends Base{
    private int z;
    public Sub(int x,int y,int z){
        super(x,y);
        this.z=z;
    }
    public int getZ() {
        return z;
    }

    public int calculate() {
        return super.getX() * super.getY() * this.getZ();
    }

}
